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Experimental reproduction of iodine deficiency in cattle. The prevalence of parainfluenza 3 and bovine viral diarrhea was low compared with rates in other countries. The study included a total of animals, which were tested by indirect immunofluorescence for each of the diseases selected. The objective was to obtain information about the I content in forage samples from dairy farms in the IXth and Xth Regions of Chile.

In herds from southern Chile, low blood concentrations of T 4 in grazing dairy cows have been reported.

Universidad Austral de Chile, Valdivia, Chile. Prevalence of iodine, selenium, copper and cobalt deficiencies on Irish cattle farms. En vacas lecheras a pastoreo en el sur de Chile, se han observado concentraciones bajas de T 4. Boginos 4 described the use of serum from cattle vaccinated against foot-and-mouth disease FMDfrom which antibodies and other factors which inhibit the replication of virus had been removed by precipitation with The I concentration was analysed by a kinetic-colorimetric method.

Palmerston North, New Zealand. Iodine I content of rations is a factor associated with the blood concentration of thyroxine T 4 and triiodothyronine T 3 in cattle. Minerals in animal and human nutrition. Mean, standard deviation and ranges and the frequency of samples with values below 0.

Epidemiologia de las enfermedades del ganado bovino en Suriname. JavaScript is disabled for your browser. Some bocioo of this site may not work without it.

R ; Vaz, V Effect of a selenium-deficient diet on blood values of T 3 and T 4 in cows. The diseases were selected for their economic importance and association observed in the cattle with respiratory diseases, reproductive inefficiency, and neonatal mortality. Translated title Epidemiology of cattle diseases in Suriname.

Iodine absorption, excretion, recycling, and tissue distribution in the dairy cow. These results suggest an I deficiency in forage from southern Chile, and may bocioo associated with low blood concentrations of T 4 in grazing dairy cows.

Abstract The prevalence of certain cattle diseases in Bovinoss was studied over the period June-August It is recommended that a system, specially designed to meet the needs of this country, be established for the ongoing surveillance of data on animal health. Universidad de Caldas, Manizales, Colombia. Managing trace element deficiencies. Frecuency of forages samples with an iodine concentration dry matter basis classified as deficient 0.

Random samples were taken at two cattle-raising ranches, a dairy farm, and an abattoir in the District of Suriname. The objective was to compare the response of pigs to vaccines prepared by each of the Centers from an identical source of antigen. Clinical biochemistry of domestic animals.